KSZ8842-PMBL-TR

Series:	--
Packaging:	Cut Tape (CT)
Part Status:	Discontinued at Digi-Key
Protocol:	Ethernet
Function:	Switch
Interface:	PCI
Standards:	10/100 Base-T/TX PHY
Voltage - Supply:	3.1 V ~ 3.5 V
Current - Supply:	122mA
Operating Temperature:	-40°C ~ 85°C
Package / Case:	100-LFBGA
Supplier Device Package:	100-LFBGA (9x9)

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Introduction

KSZ8842-PMBL-TR is a single-chip 10/100 Mbps IEEE 802.3u-compliant network interface controller (NIC). It is designed to provide a high speed connection between two or more networks while controlling the flow of data. This chip provides maximum data transfer rate of up to 100 megabits per second (Mbps) and uses an advanced 32-bit RISC processor core to process packets, perform address filtering and auto-negotiate link transfer rates between two clients.

Features and Benefits

The KSZ8842-PMBL-TR controller provides several features and benefits to ensure secure and efficient communication between two computers. It supports IEEE 802.3u standard for 100 Base-T full and half duplex communication, obviating the need for costly Ethernet switches and hubs. The chip also includes auto-negotiation capabilities which dynamically select the media speed between two connected devices. It uses a 32-bit RISC processor core to enhance throughput and reduce latency, which gives it an edge in applications including web hosting and multimedia streaming.Additionally, the KSZ8842-PMBL-TR controller offers hardware-based address filtering, built-in QoS support, flow control and jumbo frame support. It has a 32-bit data bus interface and supports multiple I/O protocols (such as SPI, I2C and MDIO). The embedded SRAM and Flash memory allow for the storage of MAC, IP and port and filter configurations, significantly reducing the dependence on the host computer’s resources.

Applications

KSZ8842-PMBL-TR controllers are mainly used in embedded devices such as embedded networks, network appliances, gateways and switches. The controller is ideal for microprocessor-based communication systems and embedded applications. It can be used for providing links between a number of embedded host processors and a Many Point Controllers (MPC), for example.The controller is also frequently used for connecting multiple Ethernet devices in a wide variety of public and private networks. It is suitable for applications in industrial process control, security, digital home networks, surveillance, healthcare, and wireless access points.

Working Principle

The KSZ8842-PMBL-TR controller consists of an Ethernet physical layer interface, an address filter, a media access controller (MAC), and a 32-bit RISC processor core.The physical layer interface enables the chip to connect and communicate with other Ethernet capable devices, while the address filter uses the hardware-based address filtering to check that the signal is intended for the specific device. The MAC performs the media access control, which provides a reliable connection between the two or more nodes and the ability to identify and prioritize different types of traffic. The RISC processor on-board is responsible for processing packets and providing enhanced performance.

Conclusion

The KSZ8842-PMBL-TR controller is a powerful and efficient single-chip 10/100 Mbps IEEE 802.3u-compliant network interface controller. Its features, such as auto-negotiation and 32-bit RISC processor core, help to ensure secure and seamless data transfer between multiple networks. Its applications range from embedded networks, to process control, to digital home networks. With its features, high performance and cost-efficiency, the KSZ8842-PMBL-TR controller provides an ideal solution for connecting multiple devices in a wide variety of public and private networks.

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